Chapter 152: Gene Editing? Killers Can Do That Too.
Harold read the CDC report twice.
The second read was not because the first hadn't been sufficient. It was because the numbers were significant enough that his professional instinct required confirmation before he was willing to accept them as the operational baseline.
Twenty thousand children.
He set the report down on the terminal tray and looked at the number. He thought about what twenty thousand children meant in terms of families, in terms of emergency rooms, in terms of the public health infrastructure that was about to receive a caseload it hadn't been designed for. He thought about the compressed timeline — the accelerated neurological progression, the pediatric acute syndrome, the adult carrier profile that meant transmission was happening invisibly through the people who weren't getting sick.
He thought about what kind of virus could do this.
Natural poliovirus had been nearly eradicated through oral vaccination programs. The last significant New York outbreak had been more than a decade ago. The vaccine coverage in the metropolitan area was among the highest in the country. A natural variant couldn't bypass that coverage — the immune memory was too comprehensive, the herd immunity too established.
Something had been done to it.
Harold looked at the second section of the report — the epidemiological analysis, the transmission rate modeling, the genetic sequence comparison against the reference strain. The modified sequences were in the sections that governed the viral binding mechanism and the immune evasion pathway. The modifications were specific, targeted, and technically sophisticated.
He looked at David, who was waiting at the end of the table.
"The CDC can trace the introduction point to Rockland County," Harold said. "The wastewater origin is there. The contamination moved south through the watershed infrastructure into New York City's supply system." He paused. "They can't get further than Rockland. The industrial wastewater discharge — whoever did this knew exactly how to route it through the legitimate discharge framework. On paper, every company in the relevant zone has current environmental compliance certification. Without knowing specifically which company was used as the vector, the EPA's investigation is going to take weeks."
"We don't have weeks," David said.
"No," Harold said.
"Gordon Amherst," David said.
Harold looked at him.
"The modification profile," David said. "The vaccine bypass mechanism — that's not a random laboratory result. That's a specific research direction pursued by a specific researcher. Amherst's published work from his Cooper Union appointment included two papers that gestures at this class of modification as a theoretical framework." He paused. "He was describing what he was going to do before he had the resources to do it. The Illuminati Society gave him the resources." He looked at Harold. "He's in Rockland County. He's been there for at least four days."
Harold studied him.
"How confident are you?" Harold said.
"Confident enough to act," David said. "Not confident enough to guarantee."
Harold nodded. That was the honest version of David's answer, and the honest version was what Harold needed to proceed.
"The problem," Harold said, "is that Amherst has been under active CIA tracking since Control's team ran the profile. He went dark. He's operating under a different identity." He paused. "The Machine could find him. Without the Machine—"
"Lieberman's gait recognition system," David said.
Lieberman looked up from the secondary terminal.
He had the expression of someone who has been sitting in the back of a room waiting to be relevant and has been somewhat startled by the moment of relevance arriving.
"Your system," David said. "Walk everyone through it."
Lieberman stood.
He had the specific body language of someone who was professionally confident in an enclosed technical domain and personally uncertain about how to present that confidence to a room full of people whose professional domain was the application of directed violence. He took a breath, organized himself, and began.
"Gait recognition," Lieberman said. "The basic principle is that every person's walking pattern is unique — more unique than most people realize. The weight distribution when stepping, the leg length ratio, the arm swing arc, the specific way the pelvis rotates. All of it combines into a signature as distinctive as a fingerprint." He paused. "Faces can be changed. Hair can be changed. Skin tone — within certain limits — can be changed. Height can be partially masked. Gait is considerably harder to change, because it's built into the neuromuscular memory over decades of development. You'd have to consciously modify how you walk, every step, all the time. Most people can't maintain that under sustained effort." He paused. "If Amherst has archived footage from his public career — lectures, conference appearances, the academic video record — I can extract his gait signature from those sources and run a comparison against the current surveillance infrastructure in Rockland County."
"Can you access that footage?" Harold said.
"The academic video archive is publicly accessible for most of it," Lieberman said. "The materials the CIA recovered after he went dark — that's a different access problem."
"Not for me," Harold said.
Lieberman looked at him.
"The CIA's document recovery system uses the same authentication architecture as the NSA's internal database," Harold said. "I've been in the NSA's system before. The access pathway is different but adjacent." He paused. "Give me forty minutes."
"Start," David said.
Harold and Lieberman both turned to their terminals simultaneously, which produced the specific cooperative efficiency of two people with complementary capabilities who had identified a division of labor and were implementing it without discussion.
Root was already at the camera access system, building the Rockland County surveillance coverage map before anyone had asked her to.
Shaw was in the equipment corridor, visible through the open door, doing what Shaw did when an operation was coming into focus — checking equipment with the focused calm that was her version of preparation.
Castle was at the secondary terminal, feeding the geographic data into the mapping interface Harold had constructed.
Frank was leaning against the wall with his arms crossed, watching the room's activity with the assessment of someone who had been in enough operational preparations to know when an operation was coming together and when it wasn't. This one was coming together.
Reese was at the perimeter monitor, tracking the base's external surveillance with the specific attention of someone who understood that operations had a way of producing the kind of noise that attracted attention before the operation was ready.
McCall was reading.
Castle looked at McCall's book.
McCall closed it and placed it on the table.
"When we move," McCall said, to no one specifically, "we move clean. Whatever Amherst has built in Rockland — it's operating under cover. Which means there are people nearby who don't know what's next to them. We keep it contained."
"Yes," David said.
"And Amherst comes out intact," McCall said.
"Yes," David said. "He has operational knowledge about the Society's complete research program. Where the materials are, what's been developed, what the next deployment plan was before we disrupted the current one. We need that knowledge." He paused. "Which means he has to be in a condition to communicate it."
Shaw appeared in the doorway.
"Intact doesn't mean comfortable," she said.
"No," David agreed. "It doesn't."
Thirty-eight minutes after Harold began, the access pathway to the CIA's recovered document archive produced Amherst's academic video record — fourteen files, ranging from a doctoral thesis defense from nineteen years ago to a panel discussion at a Johns Hopkins symposium eighteen months before his disappearance.
Lieberman ran the gait extraction on all fourteen.
The extraction produced a composite signature — the specific combination of variables that persisted across every appearance, regardless of what Amherst was wearing, what environment he was in, how stressed or relaxed he appeared. The signature was robust. Fourteen sources meant fourteen confirmation points for every parameter.
He fed the signature into the comparison algorithm.
The algorithm connected to Rockland County's surveillance infrastructure through Root's access map and began running the comparison against every pedestrian appearance captured in the county in the past seven days.
Harold watched the processing bar.
The room watched Harold.
Four minutes and seventeen seconds after the comparison began, the algorithm produced a match.
The confidence level was ninety-three percent. For gait recognition at this signature density, ninety-three percent was functionally certain.
Harold looked at the match result.
He looked at the surveillance image.
He said: "David."
David crossed to the terminal.
The image on screen showed a man in his fifties, walking at a measured pace along a commercial street in a Rockland County township. He was wearing work clothes — the utilitarian kind that communicated manual labor rather than office work. His build was consistent with Amherst's documented physical profile. His face was not.
The face was approximately fifteen to twenty shades darker than any documented image of Gordon Amherst. Not makeup, not prosthetics — the consistency of the skin tone across the full face, the specific texture of the coloration, was inconsistent with any surface application.
"He changed his appearance," Reese said.
"More than his appearance," David said. He was looking at the image with the focused attention of someone who had seen something and was working out the implications. "That's not a cosmetic modification. The tone is too consistent, too deep, wrong texture for any application technique that works at this level." He paused. "He ran the modification research on himself."
The room was quiet for a moment.
Frank said: "He edited his own genes?"
"The melanin production pathway," David said. "It's one of the more tractable gene modifications — single-gene control, well-characterized, the epigenetic switches are understood. If Amherst had access to the Society's complete research infrastructure and was willing to run it on himself—" He paused. "It's not impossible. It's extremely dangerous. The likelihood of secondary effects is significant." He paused. "But if it worked, it's a modification that's invisible to facial recognition, undetectable by a standard identity check, and permanent."
Lieberman was looking at the image.
"If he was willing to run it on himself," Lieberman said, "he ran it on other people first."
"Yes," David said.
Harold said: "The subjects."
"The Society's research program," David said. "The poliovirus modification is sophisticated enough to require extensive human trial data. The gene modification research requires the same." He paused. "There's a research population somewhere in this facility. People who were enrolled in the program — voluntarily or otherwise." He paused. "Which changes the approach."
He looked at Root.
Root was ahead of him.
"Zooming into Amherst's current position," Root said. She pulled the camera coverage forward to the most recent timestamp. "He's stationary — a commercial building, east side of the township. Registered as a water treatment consulting firm." She paused. "The adjacent surveillance shows regular arrivals and departures consistent with a working facility. Seven to ten people entering or exiting per day." She paused. "There's also a pattern of individuals who enter and don't leave. Consistent across the past four days."
"Residents," David said. "Or subjects who aren't mobile." He paused. "Which means demolition is off the table. We go in, we assess, we extract what we need to extract."
He looked at the image one more time.
"Harold," he said. "Run the bald-pattern secondary search. Two barcode tattoos, posterior cranium. Rockland County, same surveillance coverage."
Harold frowned at the specific description.
"That's very specific," Harold said. "What am I looking for?"
"The Society's security personnel," David said. "Not contract security. Dedicated institutional protection for research assets. The High Table's specific approach to securing high-value research operations — I know from the Machine's pre-blackout analysis what the personnel profile looks like." He paused. "Run it."
Harold entered the parameters into the comparison algorithm and ran it.
Forty-seven seconds later, ten results appeared on the screen.
All in Rockland County. All within three blocks of Amherst's current location. The specific distribution of their positions communicated coordination — not random proximity, deliberate placement in a coverage pattern that didn't leave visible gaps.
The room looked at the results.
McCall stood.
Reese stood.
Shaw appeared in the doorway again, now with a tactical bag.
Frank pushed off from the wall.
"Ten security personnel in a protective formation," Reese said. "Plus whatever's inside the facility."
"The formation tells us they're operating as a team rather than a static post," Castle said. He was looking at the map, tracing the coverage geometry. "The gaps in the formation are deliberate — they're not covering those angles because they have internal coverage on those sides. Which means there's interior security in addition to the perimeter detail."
"The Wednesday window," David said.
Castle looked at him.
"Fisk's security rotation," David said. "The gap you identified. Wednesday night."
"That's in two days," Castle said. "This is today."
"This is a different window," David said. "I'm thinking out loud." He paused. "The Amherst facility doesn't have the same rotation dynamics as Fisk's building. But ten people in a perimeter formation have their own rotation logic — coverage overlaps, shift transitions, the specific moments when the formation is moving rather than static." He looked at Castle. "Can you read the rotation pattern from the surveillance data?"
Castle was already at the terminal.
He looked at the coverage timestamps — the specific positions of each of the ten individuals at each captured moment over the past forty-eight hours of surveillance data that Root had pulled.
He worked for four minutes.
"They rotate on a two-hour cycle," Castle said. "The transition produces a coverage gap on the north face of approximately six minutes. The last transition was—" He checked the timestamp. "Ninety-four minutes ago."
"Twenty-six minutes to the next transition," David said.
Castle looked at him.
"That's our window," David said. "Not comfortable, but workable." He looked at the room. "Twenty-six minutes to deployment position. Shaw and McCall on entry. Reese on the east approach — that's the direction Amherst was walking from, which means there's a secondary entrance on that side. Frank drives. Castle, you stay with the vehicles." He paused. "Root runs the camera coverage from here."
Root started to object.
"The subjects inside," David said, before she could. "If there are people in that facility who need medical assessment before they can be moved, I need a physician on-site. That's me." He looked at Root. "I need you managing the external picture. You can't do both."
Root looked at him.
"Twenty-six minutes," she said.
"Twenty-six minutes," David confirmed.
Root turned back to her terminal.
Shaw was already walking toward the base exit.
Castle was on his feet.
McCall had picked up his jacket from the back of his chair.
Reese was at the perimeter monitor one more time, checking the base's external picture before they moved.
Frank said: "I need thirty seconds with the car."
"Twenty-five minutes and thirty seconds then," David said.
Frank went.
David looked at Harold.
Harold was looking at the screen — at the ten security personnel in their formation, at the facility, at the time stamp showing twenty-five minutes and forty seconds until the coverage transition.
"When you find him," Harold said.
"Yes," David said.
"The research subjects," Harold said. "Whatever condition they're in—"
"I'll do what I can," David said.
Harold nodded. It was the nod of someone who knows that what can be done and what needs to be done are not always the same thing and who has made his peace with that distinction through practice.
"Thirty-four hours," Harold said.
"I know," David said. "Be here."
He picked up the medical kit from the secondary table — the specific kit he'd been carrying since Princeton, upgraded and restocked, the field version of everything that could be useful under conditions that weren't designed for medicine.
He walked out.
Castle was in the passenger seat when Frank pulled out.
He was looking at the Rockland County map on his tablet, running the formation geometry through the sniper positioning analysis he'd been doing since the surveillance data came in. Not because David had asked him to — because the formation geometry produced a specific set of positions, and those positions had a specific set of sight lines, and his brain ran this analysis automatically on any tactical geography the way other people's brains ran the math on a restaurant check.
"You're not coming in," Frank said. It was not a question.
"David said vehicles," Castle said.
"He said you stay with the vehicles," Frank said. "There's a difference."
Castle was quiet.
"He's managing your exposure," Frank said. "The trial is in three weeks. Every operation you run in the next three weeks that produces evidence of your continued operational status is a complication for Madani's case architecture." He paused. "He knows that. He positioned you accordingly."
Castle looked at the tablet.
"I know," Castle said.
"Does it bother you?" Frank said.
"Yes," Castle said. Flat, honest, without the elaboration that would have made it more comfortable.
"Good," Frank said. "Bothered means you're paying attention."
The car moved north.
Behind them, Root was mapping the coverage transitions in real time, tracking the ten formation positions as they updated on the surveillance feed, counting down the minutes with the focused precision of someone who understood that six minutes was enough and that enough was not the same as comfortable.
Twenty-two minutes.
Twenty-one.
The Machine was thirty-four hours away.
Amherst was in Rockland County with a modified poliovirus, a genetic modification that had changed his face, and ten High Table security personnel in a formation that had a six-minute gap every two hours.
David was in the back seat of Frank's car with a medical kit and thirty-three hours of operational experience without the Machine's real-time guidance.
It was enough.
It had to be enough.
The car moved north.
End of Chapter 152
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